Timeline for How does lowering the RF Gain help with SNR?
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 20, 2019 at 1:34 | comment | added | Cecil - W5DXP | @MikeW I have an IC-756PRO and the DSP NR works great in any mode. | |
| Mar 19, 2019 at 22:22 | comment | added | Mike Waters | @Cecil-W5DXP There's a lot to be said for some DSP noise reduction circuits! Which transceiver do you have? | |
| Mar 19, 2019 at 20:28 | comment | added | Cecil - W5DXP | The DSP noise reduction circuitry in my transceiver is the only thing I have found that works on 40m QRN. | |
| Mar 19, 2019 at 15:38 | comment | added | Paul | I'm talking mainly the HF band. And to be even more specific: 40 meters. I will update the questions. | |
| Mar 19, 2019 at 15:35 | comment | added | Digiproc | The higher the frequency, the more systemic noise becomes a problem. In fact, many cheaper/older UHF radios are swamped by their systemic noise. It's typically never a problem for HF bands, though. You'd have to look at your receiver specs to know for sure. Or you can do your own measurement. | |
| Mar 19, 2019 at 15:28 | comment | added | Paul | How strong is the systemic noise in relation to the background noise on the antenna? I would expect the antenna noise to be the issue and not the internal noise of the radio. | |
| Mar 19, 2019 at 15:24 | history | answered | Digiproc | CC BY-SA 4.0 |